Abu al-Zanad أبو الزناد · The Book of the Qiblah

"When my people came back from the Prophet (ﷺ)they said that he had said: 'Let the one who recites the Quran most lead you in prayer.' So they called me and taught me how to bow and prostrate, and I used to lead them in prayer, wearing a torn cloak, and they used to say to my father: 'Will you not conceal your son's backside from us?"'